Ratham Kolam for Ratha Saptami Festival By Abhilash Rajendran Monday, February 07, 2011 Ratham Kolam drawn on Ratha Saptami Festival is a single-wheeled chariot in red and white which represents Hindu God Surya’s chariot. Ratham or Ratha means chariot. Rath Saptami puja is conducted near the chariot Kolam.You can find a few other Ratha Saptami Kolam designs here.